<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script type="text/javascript">
			
			//Java 四类8中    整形  byte short int long
			// int age = 10;
			// age = 'a';
			
			//js中定义变量
			var num1 = 10;
			var num2 = 5;
			// var hl ="您好";
			var hl ='您好';
			// var longstr = '你好，他说："今天天气真好"';
			// var longstr = "你好，他说：\"今天天气真好\"";
			var longstr = "你好，他说：'今天天气真好'";
			
			// console.log(num1+num2);
			console.log(hl);
			console.log(longstr);
			
			
			
			
		</script>
	</head>
	<body>
		

	</body>
</html>
